public void Start()
        {
            TcpListener server = null;

            try
            {
                // Set the TcpListener on port 13000.
                Int32     port      = 9999;
                IPAddress localAddr = IPAddress.Parse("127.0.0.1");

                // TcpListener server = new TcpListener(port);
                server = new TcpListener(localAddr, port);

                // Start listening for client requests.
                server.Start();

                // Matchmacking thread
                BackgroundWorker matchmacking = new BackgroundWorker();
                matchmacking.WorkerReportsProgress = true;
                matchmacking.DoWork          += new DoWorkEventHandler(MatchMaker.Match);
                matchmacking.ProgressChanged += new ProgressChangedEventHandler(MatchMaker.FoundMatch);
                matchmacking.RunWorkerAsync();

                // Enter the listening loop.
                while (true)
                {
                    Console.WriteLine("Waiting for a connection... ");

                    // Perform a blocking call to accept requests.
                    // You could also user server.AcceptSocket() here.
                    TcpClient client = server.AcceptTcpClient();

                    // Start new Thread to handle
                    Console.WriteLine("New Client Connected!");
                    Thread qq = new Thread(() => MatchMaker.AppendClient(client));
                    qq.Start();
                    qq.Join();
                    MyTcpListener.connections.Add(qq);
                }
            }
            catch (SocketException e)
            {
                Console.WriteLine("SocketException: {0}", e);
            }
            finally
            {
                // Stop listening for new clients.
                server.Stop();
            }

            Console.WriteLine("\nHit enter to continue...");
            Console.Read();
        }